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Question
Rationalise the denominator `sqrt(75)/sqrt(18)`
Sum
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Solution
`sqrt(75)/sqrt(18) = sqrt(3 xx 25)/sqrt(2 xx 9)`
= `(5sqrt(3))/(3sqrt(2))`
= `(5sqrt(3))/(3sqrt(2)) xx sqrt(2)/sqrt(2)`
= `(5sqrt(6))/(3 xx 2)`
= `(5sqrt(6))/6`
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Rationalisation of Surds
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Chapter 2: Real Numbers - Exercise 2.7 [Page 70]
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